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1.
Int. j. morphol ; 28(3): 759-764, Sept. 2010. ilus
Artigo em Inglês | LILACS | ID: lil-577182

RESUMO

The fibularis tertius muscle (FTM) in man has been developed over time to acquire subsequent bipedal gait. The FTM functions as a crucial contributor in dorsiflexion and eversion, postulated over the years as a stabilizer of the talocrural joint, avoiding forced investment and protecting the anterior talofibular ligament. The literature describes that FTM is absent in 10 percent of cases, with no data on Chilean population. A study of surface anatomy in 168 young subjects, 60 percent female and 40 percent male students at the Universidad de Talca, Chile, with a mean age of 20.6 +/- 1.68 years, was conducted. The presence of FTM was identified following the implementation of a clinical assessment protocol that determines the presence of muscle on the basis of a progression called F1, F2, and F3. The FTM was present in 49.11 percent of cases. On the right side, 20 percent (n = 37) of the subjects presented the FTM in F2 and 30 percent (n = 50) in F3. On the left side, 1 percent (n = 2) showed the muscle in F1, 21 percent (n = 35) in F2, and 26 percent (n = 44) in F3. Our results contrast with the high prevalence of FTM in the literature and suggest studies of association with lesions of the talocrural region.


El músculo fibular tercero (MFT) es un músculo que en el hombre se ha desarrollado paulatinamente, al adquirir la posición bípeda y posteriormente la marcha. Dentro de las funciones del MFT destaca su contribución en la flexión dorsal y eversión, postulándose que actuaría como estabilizador de la articulación talocrural, al evitar la inversión forzada y proteger al ligamento talofibular anterior. La literatura describe que el MFT se encuentra ausente en un 10 por ciento de los casos, no existiendo datos de la población chilena. Se realizó un estudio de anatomía de superficie en 168 sujetos jóvenes, el 60 por ciento de sexo femenino y 40 por ciento de sexo masculino, estudiantes de la Universidad de Talca, Chile, con edad promedio de 20,6 +/- 1,68 años. La presencia del MFT se identificó tras la aplicación de un protocolo de evaluación clínica que determina la presencia del músculo en base a una progresión denominada F1, F2, F3. El MFT estuvo presente en el 49,11 por ciento de los casos. En el lado derecho el 20 por ciento (n=37) de los sujetos presenta el MFT en F2 y un 30 por ciento (n=50) en F3. En el lado izquierdo un 1 por ciento (n=2) exhibe el músculo en F1, 21 por ciento (n=35) en F2 y un 26 por ciento(n=44) en F3. Nuestros resultados contrastan con la alta prevalencia del MFT descrita en la literatura y se sugiere la realización de estudios de asociación con las lesiones de la región talocrural.


Assuntos
Humanos , Masculino , Adolescente , Adulto , Feminino , Músculo Esquelético/anatomia & histologia , Pé/anatomia & histologia , Metatarso/anatomia & histologia , Fíbula/anatomia & histologia , Tendões/anatomia & histologia
2.
Artigo em Inglês | IMSEAR | ID: sea-41643

RESUMO

Footprint analysis is a simple, cost-effective and readily available method for evaluation of flat feet, to identify a person in forensic content and for shoe manufacturing. OBJECTIVE: To examine the footprints in athletes and non-athletes and to compare their foot print measurements. MATERIAL AND METHOD: Four hundred and ninety-two athletes and four hundred and thirty-one non-athletes were recruited. Their age range was eighteen to thirty five years. The athletes were classified by sport level : national and non-national athletes. Footprint devices, foot impression system, produced by Berkemann Company was used. The right and left foot of each subject were measured separately in a standing position. Descriptive Statistics, ANOVA, chi-square test and simple correlation were used in this study. RESULT: The length between the heel to the first toe was shorter than that of to the second toe in national athletes. This finding was opposite to the non-athletes. The metatarsal distance in national atheletes were significantly wider than the others. The ratio of the length of footprint and body height showed significant difference between athletes and non-athletes. The Flat Index of national athletes was longer than the others. In males, the percentage of the state of contacting the ground of the fifth toe was significantly higher among athletes than non-athletes. CONCLUSION: The footprint parameters were somewhat different between persons who had experience in sport level and general non-athletic people.


Assuntos
Adolescente , Adulto , Antropometria , Feminino , Pé/anatomia & histologia , Humanos , Masculino , Metatarso/anatomia & histologia , Esportes
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